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  1. #1
    Japanese iPhone - hardware different so can't jailbreak?

    Member Since
    Jan 16, 2009
    Posts
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    Japanese iPhone - different hardware so no jailbreak/unlock/tether?
    iPhones in Japan are tied to the Softbank network and aren't able to be bought unlocked. I am living in Japan and about to buy an iPhone but would like to clarify the situation here before making the purchase.

    Please excuse me if this thread should be in the "iPhone apps" section - I'm not sure which is most appropriate.

    A number of people have told me that Japanese iPhones have some different hardware which means that many of the advantages of jailbreaking can't work on them.

    I would really appreciate some help/advice/answers to any of the following:

    1. Of course most of the time I'll be happy to use the Softbank network, but I occasionally travel overseas and would like to use the phone when in Australia, the UK and Asia. I have been reading that by Jailbreaking and installing Ultrasn0W this will allow an iPhone to be unlocked. Does anybody know if this strategy will work for a Japanese iPhone so I could use local sim cards when travelling?

    2. Japanese iPhones have the shutter sound switched permanently on while taking photos, something I really hate. Will jailbreaking allow me to turn this sound off?

    3. Similarly for tethering - are Japanese iPhones similar to those from other countries that I will be able to tether to my MacBook Air after jailbreaking?

    Thanks in advance for any help.

  2. #2
    Japanese iPhone - hardware different so can't jailbreak?
    DriftNismo's Avatar
    Member Since
    Dec 26, 2008
    Location
    London, UK
    Posts
    225
    Specs:
     13" MacBook Air w/ 1.8GHz i7 & 4GB, iPhone 5S 32GB Gold
    1. Yes, it will allow you to use the phone on most networks in these areas.
    2. I'm not sure, but there are loads of fixes for little things available on Cydia, you may be able to find something that does this, though I can't say for sure.
    3. Yes, you should be able to. There are lots of apps that make tethering a possiblity, a notable one I used to use on my 3G/3GS is PDANet, although there are many others, you should be able to see some on the Cydia homepage (once it's jailbroken).

    Although I've not had a jailbroken iPhone since iOS 3, and I know iOS 4 jailbreaking is very complicated, so you'll have to take lots of care doing this, and remember it will void your warranty. Good luck .
     13" MacBook Air | 1.8Ghz i7 | 4GB | 256GB SSD | OS X 10.9.5 
     iPhone 5S | Gold | 32GB 

  3. #3
    Japanese iPhone - hardware different so can't jailbreak?
    p0ll!xx's Avatar
    Member Since
    May 04, 2011
    Location
    Oak Harbor, WA
    Posts
    15
    Specs:
    15" Macbook Pro 2.53 Ghz Intel Core i5, 8GB 1067 MHz DDR3,
    Quote Originally Posted by pavinder View Post
    iPhones in Japan are tied to the Softbank network and aren't able to be bought unlocked. I am living in Japan and about to buy an iPhone but would like to clarify the situation here before making the purchase.

    Please excuse me if this thread should be in the "iPhone apps" section - I'm not sure which is most appropriate.

    A number of people have told me that Japanese iPhones have some different hardware which means that many of the advantages of jailbreaking can't work on them.

    I would really appreciate some help/advice/answers to any of the following:

    1. Of course most of the time I'll be happy to use the Softbank network, but I occasionally travel overseas and would like to use the phone when in Australia, the UK and Asia. I have been reading that by Jailbreaking and installing Ultrasn0W this will allow an iPhone to be unlocked. Does anybody know if this strategy will work for a Japanese iPhone so I could use local sim cards when travelling?

    2. Japanese iPhones have the shutter sound switched permanently on while taking photos, something I really hate. Will jailbreaking allow me to turn this sound off?

    3. Similarly for tethering - are Japanese iPhones similar to those from other countries that I will be able to tether to my MacBook Air after jailbreaking?

    Thanks in advance for any help.
    I have an iPhone 3GS and have had my phone jailbroke and unlocked while with Softbank. You will only be able to unlock the phone if your baseband is old. I also have friends who have jailbroke/unlocked iPhone 4's, but again they are on an old baseband. If you just recently bought your iPhone 4, than unfortunately you won't be able to unlock your phone with ultrasn0w and use it in other countries.

    There are several apps in Cydia that allow you to turn off the shutter sound.

    You shouldn't have any issues with tethering to your macbook pro. I have an unlimited data plan with Softbank, so tethering to my macbook pro on a long train trip is nice.

    Hope this info helps.

  4. #4
    Japanese iPhone - hardware different so can't jailbreak?
    Jaygray's Avatar
    Member Since
    Mar 04, 2008
    Posts
    1,115
    Specs:
    Unibody MacBook Pro 2.26, 4gb RAM, 500gb HD
    At the present time, Ultrasn0w can only older iPhone4s with a baseband of 01.59.00 or older. If you got ahold of an older iPhone4 with the 4.1 or lower firmware which was never updated, you would be able to unlock it via Ultrasn0w. Ultrasn0w can not unlock newer iPhone4s which come from Apple with a 4.2+ firmware installed. (They come with a newer baseband installed.)

    A future update to Ultrasn0w is in the works, but there is no ETA. Could be days, weeks, or months before a version is released that works on newer basebands.

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